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Physics / Math / Engineering


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Physics and Mathematics


  1. Alternative theories

Formulae, ideas, theories, speed of light, black holes...

  • 2898 topics
  • 40568 replies
What Qm Might Say About Sr - last post by exchemist

Astronomy and Space

Space, Human spaceflight, space probes and the exploration of our Solar System. No personal theories or speculation please.

  • 1273 topics
  • 23950 replies
This Is The New Way You Can... - last post by sanctus

Engineering and Applied Science

The art of applying science to specific problems. Materials, construction, technical issues and related topics.

  • 270 topics
  • 2570 replies
Thermodynamics And Keeping... - last post by exchemist